Inventor
Keith Chu
Inventor
Laguna Niguel, CA, US
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication49%
H04MTelephonic communication31%
H04JMultiplex communication6%
H04NPictorial communication, e.g. television6%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes3%
H04BTransmission3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
9,928,540'System for integrating courier service with customer applications'20188,184,537'Method and apparatus for quantifying, predicting and monitoring the conversational quality'2012RE042661'Method and apparatus for fast V.90 modem startup'20117,411,941'Text telephone modem communications over packet networks'20087,349,383'Method and apparatus for low-latency, semantic conveyance of an answer tone over a data network'20087,277,531'Method and apparatus for fast V.90 modem startup'20077,177,944'Trans-compression selection and configuration in modem over packet networks'20077,075,979'Modem relay over a packet network'20067,062,022'Method and apparatus for fast V.90 modem startup'20067,046,382'Network latency recovery for internet gateways'20066,819,749'Method and apparatus for fast V.90 modem startup'20046,744,819'System and method for selecting a data transmission mode'20046,728,308'Extending symbol rates and symbol rate re-negotiation for facsimile modems'20046,650,698'Non-linear equalization for the upstream data connection of 56K PCM modems'20036,560,321'Method and apparatus for quick startup in a half-duplex modem system'20036,556,622'Seamless transition between communication characteristics of communication devices'20036,480,533'Method and apparatus for receiving control signals in a data communication system having a fully digital communication channel'20026,445,734'System and method of validating equalizer training'20026,421,375'Method and apparatus for transmitting control signals in a data communication system having a fully digital communication channel'20026,272,170'Method and apparatus for reducing start-up latency in a data transmission system'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2006Patents assigned to CONEXANT SYSTEMS INC (9)· patent assignee history
2001–2007Based in Laguna Niguel, CA, US· patent location history
2004–2012Patents assigned to MINDSPEED TECH INC (9)· patent assignee history
2008–2012Based in Mission Viejo, CA, US· patent location history
2008Based in Laguna Nigel, CA, US· patent location history
2012Patents assigned to CHU KEITH T (1)· patent assignee history
2012Patents assigned to GOPAL HUNDRAJ S (1)· patent assignee history
2018Patents assigned to SQUARE INC (1)· patent assignee history
2018Based in Emeryville, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CONEXANT SYSTEMS INC | 9 | 2001–2006 |
| MINDSPEED TECH INC | 9 | 2004–2012 |
| CHU KEITH Tself | 1 | 2012 |
| GOPAL HUNDRAJ S | 1 | 2012 |
| SQUARE INC | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Laguna Niguel, California, US | 15 | 2001–2007 |
| Mission Viejo, California, US | 3 | 2008–2012 |
| Emeryville, California, US | 1 | 2018 |
| Laguna Nigel, California, US | 1 | 2008 |